"use strict";
var b1 = 123;
b1 = 'abc';
var b2 = 3;
var b3 = 'abc';
console.log(b3.length);
var b4 = 3;
console.log(b4.length);
console.log(b4.test());
var b5;
b5 = 123;
b5 = 'abc';
var b6 = 123;
